Rim-collapsing device.



El TOOLE.

mm couAvsms DEVICE. APPL'ICATIQN FILED OCT. 19 I915;

Patented Jan. 14, 1919.-

2 SHEE TS -SHEET I.

Z jzmze. 5 his uq EDWARD TOOLE, or GLOUCESTER, NEW JEnsnY, assienonor QNE-HALIE T0 EDWARD.

it. MCLENNAN, or sLo'UoEs'r-nn, NEW i'nnsnv.

RIlVLGOLLAPSING DEI TICE. l

morass.

To all whom it may concern:

Be it known that I, EDWARD TooLn, .a cit-izen of the United States, residing at Glouc'es- One object of my invention therefore is to provide a relatively simple, inexpensive and quickly applied device which may be easily; operated to so far collapse a rim that. a tire shoe may be instantly put in place thereon ;the invention contemplating an" arrangement of parts whereby said rim may be forcibly returned to its original position and made ready for use.

I further desire to provide a rim collapsing device which in addition to includin'g means whereby the abutting ends of said rim may be madeto forcibly overlap, shall include an attachment for primarily moving said ends out of alinement, the construction being such that the device may be quickly and. easily adjusted to suit it for use'on rims of different dimensions.

I clamps.

. These objects and other advantageous ends I attain as hereinafter setfortlnreference being had to the accompanyingdraw ings, in which,

Figure I is aside'elevation showing my device as applied to a demountable rim with its parts in positions ready for use to collapse or overlap the ends of said'rim; I

Fig. 2 is an elevation. similarto Fig.1, showing the device with its parts in the positions occupied after th rim has been 001- lapsed;

Figs. 3 and 4: are enlarged fragmentary elevations showing the use of the attachment for moving the abutting ends of the'rim out of alinement prior to the operation of the collapsing device; i

Fig. 5 is a plan partly in section further illustrating the apparatus; and' p Fig. 6 is anend elevationofbne of the In the above drawings, 1 represents a demountable rim having side flanges: 2 and Specification oi Letters Patent.

split so that it has two and r y a substantially *radial plan ,at -3 ,.althougl1=i.

they maybe abutted in any other desired i manner without departing iro n; iny in ven tion. For normally maintaining.saidendsr fulcrum bolt 1i havii clamp so that this maybe Patent li'ich, abut a;

iniline, one of them has welded forotheinvise rigidly, fixed to its inner face alstrap, or plate i projecting beyond its. end and offset .outwardly to forma head ddesignedto fit into? a correspondingly formed recess or opening;

-6 in the other end. latterend of the run has pivoted to. itst n ltle surfacea retaining. plate: 7 constituting a, latch which i when so turned to. extend longitud nally,

e, will prevent. the

of the. inside rim sur, moving of th two abut allnen'ient. Said lat cl grim ends out; of. ilnay however be.

turned on itspivot so as to lie transversely.-

of fthe rini and thereby :release the head which may then be withdrawn from engagement with the second rim end.

For manhaulating ademountable rim such as above described, I provide a pair of clamps 9 and 10 recessed to more or less closely fit the inside surface of the rim;

Each ofthese clamps consists of a pair of castings 11 and 12 each formed of a body portion and a projectingarm 13; the coir struction being such that while the body;

portions of the clamp cooperate to constitute riniengaging structures, the two arms of each clamp pro]ect tl e .frioin ftoward the center of the rim substantiall parallel with ea'clr other, and are loosely.coniiected,by a

crum bolt 17 of this clamp. fIfhef fr'e'erid of thebar 16, after passing between thearnis 13 of the second clamp l0 l as mountedin it a transverse pin oi stopdesigned to prevent] its completiwithdrawal from. said clamp. '11 isnoted thatthe .t rlcrumbdltli in each case is preferably or to permit of. mo'reorfle' poi the? adapted for use on rims of different dimens ons. j

arms as. well as of the i e ran -trierst Application'filedfictober19,1916. Seria11io.126,535." 7

thumb nut 1'15. 90

and slidably. guid said bar 16,the

The outer portion of one arm 13 of each clamp has threadedin it a thumb screw 20 abutting upon the adjacent face of the second arm of the same clamp through their respective clamps more or less loosely, so that as the thumb screws20 are set up, the clamp sections are fulcrumed on said. bolts to permit the outer portions of their bodies to grip the flanges, etc., of the rim.

The bar 16 which is preferably circularly curved, ha's pivotedor fulcrumed to it a' relatively long lever 21 at a point which,

whileit may be widely varied without departing from my invention, is preferably about one-third the distance from the bolt 14; of the clamp 9 to the pin 'or stop 18,

and the pivot bolt-22 whereby this connection is made also has pivotally mounted upon it a second lever 23. The latter is formed with a foot portion 24 projecting at right angles to its main part so as to be ca-' pable of being brought into engagement with a point between the fulcrum pin 22 and the stop pin 18, and by means of a short length of chain 27 I permanently connect a locking pin 28 to the clamp 10, the arrangement being such that said pin may be inserted in the hole 26. 1

With this arrangement of parts, when it is desired to collapse'the rim in order to removea tire from it or put it in condition 'to receive a tire, the clamps 9 and 10 are applied in the ositions shown in Fig. 1, the first being ustment of the fulcrum bolt 14:.

The bar 16, being curved substantially concentric with the rim, is free to slide ,through thesecond clamp 10, and this clamp has its thumb screw setup to cause it to grip said rim at a, point as far as possible from the clamp 9. After the latch 7 has been turned onv its pivot so as to disengage the head of the plate 4, the shorter or displacing lever 23 is forcibly turned in the'direction of-the arrow so that its foot portion 24 engagesthe adjacent part of the rim, sprlnging it outwardly until it is free of the head 5, whereupon its natural resiliency causes it to overlap the: other end of the rim as shown in Fig. 4.

The collapsing lever 21 is then moved from the position shown in Fig. 1 to that and it is to be noted that the-fulcrum bolts 14 and 17 pass Xed to it immediately adjacent the end of the plate 4. by setting up 'the thumb screw 20 after said-clam has been loosely fitted to the rim by adj illustrated in Fig. 2, so that through the link 25, it forcibly moves the clamp 10 toward theclamp t). During this operation the bar 16 slides through said clamp and the rim is collapsed to a considerably reduced diameter, owing to the forced overlap of its two ends. Thereafter it is then retained in this collapsed position by the insertion of the pin28 in the hole 26 back of the clamp 10.

Owing to this reduction in the diameter of the rim, it is now possible to easily place uponit the tire shoe which it was designed to receive, after which thepin 28 may be removed and the rim expanded to its original dimensions by moving the lever 21 in the direction of. the arrow, Fig. 2. When the ends of the rim are thus-brought into practically the same plane thehead 5 springs into the recess 6, whereupon the lever 21 may be released and the whole apparatus removed by slacking off the thumb screws 2O. The latch 7 is then turned from' its position transversely of the rim to one in which it extends longitudinally ofv the in-" side curved rim surface, thus locking the ends in their abutting position.

From the above description it will be un .derstood that my device makes it possible to quickly and certainly so collapse or reduce thediameter of a demountable rim as' to permit of the easy placing upon it-of a tire shoe.

Similarly it makes possible the forcible" expansion of the rim to its original dimensions and that with the expenditure of a minimum of time and labor. Not only is the device itself relatively simple in construction and of such a nature as to be cheaply and inexpensively manufactured, but its various parts are so designed as to facilitate its easy and quick application to arim-as well as its convenient manipulation when the latter is to be expanded or collapsed. I

If desired I may provide a hole 30 in the arms of the clamp 10 andv place the pin 28 therein so that its inner end rests against the side ofthe bar 16 priorto the beginning of the collapsing operation. Thereafter when by the operation ofthe lever 21 the rim ends have been caused to overlap to the desired extent, the hole '26 in said bar comes under the pin which then drops into it and retains the parts of the device with the rim in its collapsed condition.

I claim I 'l. A rim collapsing device consisting of two rim engaging clamps; a bar extending between said clamps and slidably guided by one of them; with a collapsing leve fulcrumed on said bar and linked to one of the clamps. v

2. A rim collapsing device consisting of two clamps for connection to the rim ends respectively; a bar connected to one of the clamps and slidable through the other; a

carried by said bar in position to displace one of the ends of the rim from alinementwith the other end.

3.-A rim collapsing device consistingof a pair of structures for attachment to the ends of a rim respectively; a bar connected to one of said structures; a collapsing lever and a' rim-end displacing lever both' fulcrumed to said bar at a common point; with means for attaching one of the levers to the second tire engaging structure.

4. A rim collapsingdevice consisting of a pair of structures for attachment tothe ends of a rim respectively; a bar connected to. one of said structures and in slidable engagement. with the other; two levers fulcrumed to said bar at a common point; with means for attaching one of the levers to the second tire engaging structure; the

second lever having an arm extended into position to engage one of the rim ends so as to be capable of'moving it out of alinement with the other.

T EDWARD TOOLE. 

